Klebsiella pneumoniaeKlebsiella InfectionsKlebsiella oxytocabeta-LactamasesRNA, GuideEnterobacteriaceaeEnterobacterMicrobial Sensitivity TestsCarbapenemsbeta-Lactam ResistanceEscherichia coliNitrogenaseBacterial ProteinsLiver AbscessNitrogen FixationEnterobacter aerogenesEnterobacteriaceae Infectionsbeta-LactamsGram-Negative BacteriaCross InfectionDrug Resistance, Multiple, BacterialPlasmidsCephalosporinsDNA, BacterialGenes, BacterialDrug Resistance, BacterialCeftazidimeMolecular Sequence DataLiver Abscess, PyogenicConjugation, GeneticHistidine Ammonia-LyasePneumonia, BacterialProteusMolybdoferredoxinBacteremiaGram-Negative Bacterial InfectionsThienamycinsElectrophoresis, Gel, Pulsed-FieldRhinoscleromaProteus mirabilisSerratiaAcetylenePolysaccharides, BacterialBacterial CapsulesImipenemColistinRibitolHospitalsEscherichia coli InfectionsSequence Analysis, DNABase SequenceCefoxitinBacterial InfectionsCefotaximeCephalosporin ResistanceEnterobacter cloacaePiperacillinSpondylitis, AnkylosingBacteriological TechniquesO AntigensPenicillanic AcidUreaseButylene GlycolsIsoelectric FocusingAmpicillinCulture MediaGram-Positive BacteriaAnti-Infective AgentsUrinary Tract InfectionsPseudomonas aeruginosaMinocyclinePolymerase Chain ReactionCalymmatobacteriumOperonMultilocus Sequence TypingAmino Acid SequenceAztreonamMutationCitrobacter freundiiSugar AlcoholsPorinsSerotypingDisease OutbreaksSerratia marcescensGlutamate-Ammonia LigasePropanediol DehydrataseCephalothinCloning, MolecularUrology Department, HospitalMolecular TypingCarbenicillinClavulanic AcidGene Expression Regulation, BacterialCiprofloxacinDisk Diffusion Antimicrobial TestsMonobactamsColony Count, MicrobialAzotobacterHLA-B27 AntigenSepsis